* Postfix date fields with '_on'. Eg. added_on * Primary key should be always 'id' * The title field in the table must always have the name 'name'. Eg User.name, Page.name, Content.name * Reference table must be named in the format - Eg. PageTag * Foreign key must be in the...
Recover Data for Access File Recovery Software successfully repairs corrupt .mdb database files. Use Access Recovery Software to get back table structure, primary key, field size etc from damaged .mdb files created using MS Access 97/2000/2002/2003.
* "About the first 10 bytes of data for each index entry are stored in the index pages." * Long, many columns can be slower * It's the data that counts * Not the declared size * Does it look beyond the 10th char? * Watch for rapid FullCompare changes * SELECT Property (...
Ambient Findability: What We Find Changes Who We Become
How do you find your way in an age of information overload? How can you filter streams of complex information to pull out only what you want? Why does it matter how information is structured when Google seems to magically bring up the right answer to your questions? What does it mean to be...
Recover Data for SQL Server Recovery software is designed to recover corrupt SQL data which created under SQL server 2000, 2005 & 2008. This SQL database recovery software uses intensive algorithms to deal with SQL database error and recover table, views, triggers, functions, procedures,...
There is only one commandment in the Gospel of the GUID: I. Thou shalt always use a GUID to uniquely identify a row in a table. Whenever I hire a new member for my team, this is one of the first rules that I teach them. At first, they almost always look at me like a puppy with their ears up and...
Java: How To Get Auto Increment Values After SQL Insert
While inserting a SQL query we do not specify the auto increment values, if any. However they are often required for further processing. Here is how you can obtain auto increment / auto generated values after a successful SQL INSERT statement. // // Insert one row that will generate an AUTO...
If an existing field name isn't descriptive enough, you can rename the field. A field's data type limits and describes the kind of information you can enter in a field, such as Number or Currency. You use a unique identifier, called a primary key, for each record in your table. Field...
Visual Basic allows us to create our own Tables and work with them. The DataTable is an in-memory representation of a block of data. We can create our own tables in code using a DataSet and the types defined in the System.Data.OleDb or System.Data.SqlClient namespaces. The following are the core...
The American Silver Eagle is the official silver bullion coin of the United States. It has been issued since 1986 and contains one ounce of fine silver. Coins are minted to exacting specifications and guaranteed by the US Government for weight, content, and purity. The series has become a favorite...
Access2PostgreSQL Sync is an efficient converter which performs easy conversion and synchronization between MS Access (mdb) and PostgreSQL databases. Built-in Scheduler gives you an opportunity to run Access2PostgreSQL program on a user defined schedule that means that you can run programs without...
MySQL Failover Strategy using State Management, introducing MPP - Part 1
Developed by MySQL AB for the MySQL Server, this solution is entirely memory based and differs entirely from the traditional disk based MySQL Storage Engines. * An advantage is that this is maintained and Supported by the MySQL Community, and is fast. * A disadvantage is that the entirely memory...
Implementing Redirect-after-Post pattern using Struts
The application stores, displays and updates abstract data items. The following functions are available: * display all existing items in a list; * view an item; * edit an item; * create a new item; * delete an item. Each data item has the following properties: * item ID (randomly generated primary...
A major portion of the development of an enterprise application involves the creation and maintenance of the persistence layer used to store and retrieve objects from the database of choice. Many organizations resort to creating homegrown, often buggy, persistence layers. If changes are made to the...
Enterprise JavaBeans (EJB) was introduced for building distributed components. When it arrived it came with a promise to solve all issues and complexities of CORBA. EJB being the heart of J2EE went through several major revisions and got fattened with many features. Early on, most of the developers...
How to Perform SQL Server Row-by-Row Operations Without Cursors
SQL cursors have been a curse to database programming for many years because of their poor performance. On the other hand, they are extremely useful because of their flexibility in allowing very detailed data manipulations at the row level. Using cursors against SQL Server tables can often be...
Now setup your MySQL server with the provided DUMP in the dbdump/dump file which should look like: CREATE TABLE FLOWS ( RECNUM bigint(20) unsigned zerofill NOT NULL auto_increment, PROBE varchar(16) NOT NULL default '', TIME_RECEIVED datetime NOT NULL default '0000-00-00 00:00:00',...
The Background (the long version)… Whilst experimenting with RESTful web-services, my natural inclination has been to explore the mechanics of the protocol level interactions associated with resource state changes. The majority of mainstrean REST examples relate to manipulation of resources...
HIBERNATE - Relational Persistence for Idiomatic Java
Table of Contents Preface1. Introduction to Hibernate1.1. Preface1.2. Part 1 - The first Hibernate Application1.2.1. The first class1.2.2. The mapping file1.2.3. Hibernate configuration1.2.4. Building with Ant1.2.5. Startup and helpers1.2.6. Loading and storing objects1.3. Part 2 - Mapping...
The mix of EJB 3, JPA and generics makes it possible to build lean and powerful management components with only few lines of code. Especially reusable CRUD components (e.g. masterdata management) do not have to be coded over and over again. The CRUD methods can be defined in a remote or local...
I got an email recently from new Struts committer Paul Benedict in which he said he had poked around this blog a bit, and as a sometimes Tapestry user himself, was particularly intrigued with the idea of adding a component model to Struts. With apologies to Paul, I'm using the text of my reply...
Recently, I helped one of our customers migrating a legacy database to Hibernate; one of the more interesting topics was versioning and audit logging. Actually, in the last couple of months, the subject of historical data came up several times. No matter if it was a legacy SQL schema or a migration...
Most nutrition plans fail because masses dont understand what they are and how they work. A nutrition plan is more or less a plan. What action is that? Well nutrition plans are meant to improve your fitness, gain muscle mass, lower cholesterol, all kinds of reasons. Whatever the ground you have for...
Ambient Findability: What We Find Changes Who We Become
How do you find your way in an age of information overload? How can you filter streams of complex information to pull out only what you want? Why does it matter how information is structured when Google seems to magically bring up the right answer to your questions? What does it mean to be...
Maybe there's another better way to do this... Anyway, here's what I'm trying to do: I have two tables CarType & Cars. Table CarType has a column CarTypeId which is the primary key (int, identity). Table Cars includes a column CarTypeId (int) which is a foreign key into the CarType...
How do you find your way in an age of information overload? How can you filter streams of complex information to pull out only what you want? Why does it matter how information is structured when Google seems to magically bring up the right answer to your questions? What does it mean to be...
Statement stmt = null; ResultSet rs = null; try { // // Create a Statement instance that we can use for // 'normal' result sets as well as an 'updatable' // one, assuming you have a Connection 'conn' to // a MySQL database already available // stmt =...
S718 Large dedicated phone buttons for the elderly CP004
Characteristics unique to SOS emergency button. Perhaps this feature a total of only once, but often not the role that time money can be measured! Turn, positive. Note * and # keys, each painted a lovely female / male avatar. To set it daughter (daughter) and son (son) and one-touch dialing! Super...
Per far si che il linguaggio PHP gestisca le sessioni attraverso un nuovo gestore è necessario utilizzare la funzione session_set_save_handler(), ma prima di vedere questa funzione è necessario capire come funziona il meccanismo di sessione all’interno del PHP. Quando una...
I was doing some tests with Hibernate3 and Spring 2 integration and stumbled upon trouble with Hibernate proxies (cglib proxies). Since Hibernate 3 nearly everything is loaded lazyly unless specified otherwise. So think about all collections and all associations a class might have. In fact this is a...
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